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86251072265020 = 225131762131882579
BaseRepresentation
bin10011100111000111100100…
…100001100001101100111100
3102022101112002112011010201201
4103213013210201201230330
542301114143444440040
6503235110125345244
724111301655511415
oct2347074441415474
9368345075133651
1086251072265020
1125533968807383
129810051708224
133918597470830
14174280775480c
159e88c58e3a9a
hex4e71e4861b3c

86251072265020 has 48 divisors (see below), whose sum is σ = 195061327846560. Its totient is φ = 31846352115456.

The previous prime is 86251072265011. The next prime is 86251072265087. The reversal of 86251072265020 is 2056227015268.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44874091 + ... + 46756669.

It is an arithmetic number, because the mean of its divisors is an integer number (4063777663470).

Almost surely, 286251072265020 is an apocalyptic number.

It is an amenable number.

86251072265020 is an abundant number, since it is smaller than the sum of its proper divisors (108810255581540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86251072265020 is a wasteful number, since it uses less digits than its factorization.

86251072265020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058814 (or 2058812 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 86251072265020 in words is "eighty-six trillion, two hundred fifty-one billion, seventy-two million, two hundred sixty-five thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 176213 352426 704852 881065 1762130 1882579 2290769 3524260 3765158 4581538 7530316 9163076 9412895 11453845 18825790 22907690 24473527 37651580 45815380 48947054 97894108 122367635 244735270 489470540 331734893327 663469786654 1326939573308 1658674466635 3317348933270 4312553613251 6634697866540 8625107226502 17250214453004 21562768066255 43125536132510 86251072265020